Critical behavior of magnetic polymers in two and three dimensions

Damien Paul Foster, Debjyoti Majumdar

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We explore the critical behavior of two- and three-dimensional lattice models of polymers in dilute solution where the monomers carry a magnetic moment which interacts ferromagnetically with near-neighbor monomers. Specifically, the model explored consists of a self-avoiding walk on a square or cubic lattice with Ising spins on the visited sites. In three dimensions we confirm and extend previous numerical work, showing clearly the first-order character of both the magnetic transition and the polymer collapse, which happen together. We present results in two dimensions, where the transition is seen to be continuous. Finite-size scaling is used to extract estimates for the critical exponents and the transition temperature in the absence of an external magnetic field.

Original languageEnglish
Article number024122
JournalPhysical Review E
Volume104
Issue number2
DOIs
StatePublished - 1 Aug 2021
Externally publishedYes

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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